bfd/bfd-in.h

   1 /* Main header file for the bfd library -- portable access to object files.
   2    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
   3    2000, 2001, 2002
   4    Free Software Foundation, Inc.
   5    Contributed by Cygnus Support.
   6
   7    This file is part of BFD, the Binary File Descriptor library.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  22
  23 #ifndef __BFD_H_SEEN__
  24 #define __BFD_H_SEEN__
  25
  26 #ifdef __cplusplus
  27 extern "C" {
  28 #endif
  29
  30 #include "ansidecl.h"
  31 #include "symcat.h"
  32 #if defined (__STDC__) || defined (ALMOST_STDC) || defined (HAVE_STRINGIZE)
  33 #ifndef SABER
  34 /* This hack is to avoid a problem with some strict ANSI C preprocessors.
  35    The problem is, "32_" is not a valid preprocessing token, and we don't
  36    want extra underscores (e.g., "nlm_32_").  The XCONCAT2 macro will
  37    cause the inner CONCAT2 macros to be evaluated first, producing
  38    still-valid pp-tokens.  Then the final concatenation can be done.  */
  39 #undef CONCAT4
  40 #define CONCAT4(a,b,c,d) XCONCAT2(CONCAT2(a,b),CONCAT2(c,d))
  41 #endif
  42 #endif
  43
  44 #define BFD_VERSION @bfd_version@
  45 #define BFD_VERSION_DATE @bfd_version_date@
  46 #define BFD_VERSION_STRING @bfd_version_string@
  47
  48 /* The word size used by BFD on the host.  This may be 64 with a 32
  49    bit target if the host is 64 bit, or if other 64 bit targets have
  50    been selected with --enable-targets, or if --enable-64-bit-bfd.  */
  51 #define BFD_ARCH_SIZE @wordsize@
  52
  53 /* The word size of the default bfd target.  */
  54 #define BFD_DEFAULT_TARGET_SIZE @bfd_default_target_size@
  55
  56 #define BFD_HOST_64BIT_LONG @BFD_HOST_64BIT_LONG@
  57 #if @BFD_HOST_64_BIT_DEFINED@
  58 #define BFD_HOST_64_BIT @BFD_HOST_64_BIT@
  59 #define BFD_HOST_U_64_BIT @BFD_HOST_U_64_BIT@
  60 #endif
  61
  62 #if BFD_ARCH_SIZE >= 64
  63 #define BFD64
  64 #endif
  65
  66 #ifndef INLINE
  67 #if __GNUC__ >= 2
  68 #define INLINE __inline__
  69 #else
  70 #define INLINE
  71 #endif
  72 #endif
  73
  74 /* Forward declaration.  */
  75 typedef struct _bfd bfd;
  76
  77 /* To squelch erroneous compiler warnings ("illegal pointer
  78    combination") from the SVR3 compiler, we would like to typedef
  79    boolean to int (it doesn't like functions which return boolean.
  80    Making sure they are never implicitly declared to return int
  81    doesn't seem to help).  But this file is not configured based on
  82    the host.  */
  83 /* General rules: functions which are boolean return true on success
  84    and false on failure (unless they're a predicate).   -- bfd.doc */
  85 /* I'm sure this is going to break something and someone is going to
  86    force me to change it.  */
  87 /* typedef enum boolean {false, true} boolean; */
  88 /* Yup, SVR4 has a "typedef enum boolean" in <sys/types.h>  -fnf */
  89 /* It gets worse if the host also defines a true/false enum... -sts */
  90 /* And even worse if your compiler has built-in boolean types... -law */
  91 /* And even worse if your compiler provides a stdbool.h that conflicts
  92    with these definitions... gcc 2.95 and later do.  If so, it must
  93    be included first.  -drow */
  94 #if defined (__GNUG__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))
  95 #define TRUE_FALSE_ALREADY_DEFINED
  96 #else
  97 #if defined (__bool_true_false_are_defined)
  98 /* We have <stdbool.h>.  */
  99 #define TRUE_FALSE_ALREADY_DEFINED
 100 #endif
 101 #endif
 102 #ifdef MPW
 103 /* Pre-emptive strike - get the file with the enum.  */
 104 #include <Types.h>
 105 #define TRUE_FALSE_ALREADY_DEFINED
 106 #endif /* MPW */
 107 #ifndef TRUE_FALSE_ALREADY_DEFINED
 108 typedef enum bfd_boolean {false, true} boolean;
 109 #define BFD_TRUE_FALSE
 110 #else
 111 /* Use enum names that will appear nowhere else.  */
 112 typedef enum bfd_boolean {bfd_fffalse, bfd_tttrue} boolean;
 113 #endif
 114
 115 /* Support for different sizes of target format ints and addresses.
 116    If the type `long' is at least 64 bits, BFD_HOST_64BIT_LONG will be
 117    set to 1 above.  Otherwise, if gcc is being used, this code will
 118    use gcc's "long long" type.  Otherwise, BFD_HOST_64_BIT must be
 119    defined above.  */
 120
 121 #ifndef BFD_HOST_64_BIT
 122 # if BFD_HOST_64BIT_LONG
 123 #  define BFD_HOST_64_BIT long
 124 #  define BFD_HOST_U_64_BIT unsigned long
 125 # else
 126 #  ifdef __GNUC__
 127 #   if __GNUC__ >= 2
 128 #    define BFD_HOST_64_BIT long long
 129 #    define BFD_HOST_U_64_BIT unsigned long long
 130 #   endif /* __GNUC__ >= 2 */
 131 #  endif /* ! defined (__GNUC__) */
 132 # endif /* ! BFD_HOST_64BIT_LONG */
 133 #endif /* ! defined (BFD_HOST_64_BIT) */
 134
 135 #ifdef BFD64
 136
 137 #ifndef BFD_HOST_64_BIT
 138  #error No 64 bit integer type available
 139 #endif /* ! defined (BFD_HOST_64_BIT) */
 140
 141 typedef BFD_HOST_U_64_BIT bfd_vma;
 142 typedef BFD_HOST_64_BIT bfd_signed_vma;
 143 typedef BFD_HOST_U_64_BIT bfd_size_type;
 144 typedef BFD_HOST_U_64_BIT symvalue;
 145
 146 #ifndef fprintf_vma
 147 #if BFD_HOST_64BIT_LONG
 148 #define sprintf_vma(s,x) sprintf (s, "%016lx", x)
 149 #define fprintf_vma(f,x) fprintf (f, "%016lx", x)
 150 #else
 151 #define _bfd_int64_low(x) ((unsigned long) (((x) & 0xffffffff)))
 152 #define _bfd_int64_high(x) ((unsigned long) (((x) >> 32) & 0xffffffff))
 153 #define fprintf_vma(s,x) \
 154   fprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 155 #define sprintf_vma(s,x) \
 156   sprintf ((s), "%08lx%08lx", _bfd_int64_high (x), _bfd_int64_low (x))
 157 #endif
 158 #endif
 159
 160 #else /* not BFD64  */
 161
 162 /* Represent a target address.  Also used as a generic unsigned type
 163    which is guaranteed to be big enough to hold any arithmetic types
 164    we need to deal with.  */
 165 typedef unsigned long bfd_vma;
 166
 167 /* A generic signed type which is guaranteed to be big enough to hold any
 168    arithmetic types we need to deal with.  Can be assumed to be compatible
 169    with bfd_vma in the same way that signed and unsigned ints are compatible
 170    (as parameters, in assignment, etc).  */
 171 typedef long bfd_signed_vma;
 172
 173 typedef unsigned long symvalue;
 174 typedef unsigned long bfd_size_type;
 175
 176 /* Print a bfd_vma x on stream s.  */
 177 #define fprintf_vma(s,x) fprintf (s, "%08lx", x)
 178 #define sprintf_vma(s,x) sprintf (s, "%08lx", x)
 179
 180 #endif /* not BFD64  */
 181
 182 /* A pointer to a position in a file.  */
 183 /* FIXME:  This should be using off_t from <sys/types.h>.
 184    For now, try to avoid breaking stuff by not including <sys/types.h> here.
 185    This will break on systems with 64-bit file offsets (e.g. 4.4BSD).
 186    Probably the best long-term answer is to avoid using file_ptr AND off_t
 187    in this header file, and to handle this in the BFD implementation
 188    rather than in its interface.  */
 189 /* typedef off_t        file_ptr; */
 190 typedef bfd_signed_vma file_ptr;
 191 typedef bfd_vma ufile_ptr;
 192
 193 extern void bfd_sprintf_vma PARAMS ((bfd *, char *, bfd_vma));
 194 extern void bfd_fprintf_vma PARAMS ((bfd *, PTR, bfd_vma));
 195
 196 #define printf_vma(x) fprintf_vma(stdout,x)
 197 #define bfd_printf_vma(abfd,x) bfd_fprintf_vma (abfd,stdout,x)
 198
 199 typedef unsigned int flagword;  /* 32 bits of flags */
 200 typedef unsigned char bfd_byte;
 201 \f
 202 /* File formats.  */
 203
 204 typedef enum bfd_format
 205 {
 206   bfd_unknown = 0,      /* File format is unknown.  */
 207   bfd_object,           /* Linker/assember/compiler output.  */
 208   bfd_archive,          /* Object archive file.  */
 209   bfd_core,             /* Core dump.  */
 210   bfd_type_end          /* Marks the end; don't use it!  */
 211 }
 212 bfd_format;
 213
 214 /* Values that may appear in the flags field of a BFD.  These also
 215    appear in the object_flags field of the bfd_target structure, where
 216    they indicate the set of flags used by that backend (not all flags
 217    are meaningful for all object file formats) (FIXME: at the moment,
 218    the object_flags values have mostly just been copied from backend
 219    to another, and are not necessarily correct).  */
 220
 221 /* No flags.  */
 222 #define BFD_NO_FLAGS    0x00
 223
 224 /* BFD contains relocation entries.  */
 225 #define HAS_RELOC       0x01
 226
 227 /* BFD is directly executable.  */
 228 #define EXEC_P          0x02
 229
 230 /* BFD has line number information (basically used for F_LNNO in a
 231    COFF header).  */
 232 #define HAS_LINENO      0x04
 233
 234 /* BFD has debugging information.  */
 235 #define HAS_DEBUG       0x08
 236
 237 /* BFD has symbols.  */
 238 #define HAS_SYMS        0x10
 239
 240 /* BFD has local symbols (basically used for F_LSYMS in a COFF
 241    header).  */
 242 #define HAS_LOCALS      0x20
 243
 244 /* BFD is a dynamic object.  */
 245 #define DYNAMIC         0x40
 246
 247 /* Text section is write protected (if D_PAGED is not set, this is
 248    like an a.out NMAGIC file) (the linker sets this by default, but
 249    clears it for -r or -N).  */
 250 #define WP_TEXT         0x80
 251
 252 /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the
 253    linker sets this by default, but clears it for -r or -n or -N).  */
 254 #define D_PAGED         0x100
 255
 256 /* BFD is relaxable (this means that bfd_relax_section may be able to
 257    do something) (sometimes bfd_relax_section can do something even if
 258    this is not set).  */
 259 #define BFD_IS_RELAXABLE 0x200
 260
 261 /* This may be set before writing out a BFD to request using a
 262    traditional format.  For example, this is used to request that when
 263    writing out an a.out object the symbols not be hashed to eliminate
 264    duplicates.  */
 265 #define BFD_TRADITIONAL_FORMAT 0x400
 266
 267 /* This flag indicates that the BFD contents are actually cached in
 268    memory.  If this is set, iostream points to a bfd_in_memory struct.  */
 269 #define BFD_IN_MEMORY 0x800
 270
 271 /* The sections in this BFD specify a memory page.  */
 272 #define HAS_LOAD_PAGE 0x1000
 273 \f
 274 /* Symbols and relocation.  */
 275
 276 /* A count of carsyms (canonical archive symbols).  */
 277 typedef unsigned long symindex;
 278
 279 /* How to perform a relocation.  */
 280 typedef const struct reloc_howto_struct reloc_howto_type;
 281
 282 #define BFD_NO_MORE_SYMBOLS ((symindex) ~0)
 283
 284 /* General purpose part of a symbol X;
 285    target specific parts are in libcoff.h, libaout.h, etc.  */
 286
 287 #define bfd_get_section(x) ((x)->section)
 288 #define bfd_get_output_section(x) ((x)->section->output_section)
 289 #define bfd_set_section(x,y) ((x)->section) = (y)
 290 #define bfd_asymbol_base(x) ((x)->section->vma)
 291 #define bfd_asymbol_value(x) (bfd_asymbol_base(x) + (x)->value)
 292 #define bfd_asymbol_name(x) ((x)->name)
 293 /*Perhaps future: #define bfd_asymbol_bfd(x) ((x)->section->owner)*/
 294 #define bfd_asymbol_bfd(x) ((x)->the_bfd)
 295 #define bfd_asymbol_flavour(x) (bfd_asymbol_bfd(x)->xvec->flavour)
 296
 297 /* A canonical archive symbol.  */
 298 /* This is a type pun with struct ranlib on purpose!  */
 299 typedef struct carsym
 300 {
 301   char *name;
 302   file_ptr file_offset; /* Look here to find the file.  */
 303 }
 304 carsym;                 /* To make these you call a carsymogen.  */
 305
 306 /* Used in generating armaps (archive tables of contents).
 307    Perhaps just a forward definition would do?  */
 308 struct orl                      /* Output ranlib.  */
 309 {
 310   char **name;          /* Symbol name.  */
 311   union
 312   {
 313     file_ptr pos;
 314     bfd *abfd;
 315   } u;                  /* bfd* or file position.  */
 316   int namidx;           /* Index into string table.  */
 317 };
 318 \f
 319 /* Linenumber stuff.  */
 320 typedef struct lineno_cache_entry
 321 {
 322   unsigned int line_number;     /* Linenumber from start of function.  */
 323   union
 324   {
 325     struct symbol_cache_entry *sym;     /* Function name.  */
 326     bfd_vma offset;                     /* Offset into section.  */
 327   } u;
 328 }
 329 alent;
 330 \f
 331 /* Object and core file sections.  */
 332
 333 #define align_power(addr, align)        \
 334         ( ((addr) + ((1<<(align))-1)) & (-1 << (align)))
 335
 336 typedef struct sec *sec_ptr;
 337
 338 #define bfd_get_section_name(bfd, ptr) ((ptr)->name + 0)
 339 #define bfd_get_section_vma(bfd, ptr) ((ptr)->vma + 0)
 340 #define bfd_get_section_lma(bfd, ptr) ((ptr)->lma + 0)
 341 #define bfd_get_section_alignment(bfd, ptr) ((ptr)->alignment_power + 0)
 342 #define bfd_section_name(bfd, ptr) ((ptr)->name)
 343 #define bfd_section_size(bfd, ptr) (bfd_get_section_size_before_reloc(ptr))
 344 #define bfd_section_vma(bfd, ptr) ((ptr)->vma)
 345 #define bfd_section_lma(bfd, ptr) ((ptr)->lma)
 346 #define bfd_section_alignment(bfd, ptr) ((ptr)->alignment_power)
 347 #define bfd_get_section_flags(bfd, ptr) ((ptr)->flags + 0)
 348 #define bfd_get_section_userdata(bfd, ptr) ((ptr)->userdata)
 349
 350 #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0)
 351
 352 #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = (boolean)true), true)
 353 #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),true)
 354 #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),true)
 355
 356 typedef struct stat stat_type;
 357 \f
 358 typedef enum bfd_print_symbol
 359 {
 360   bfd_print_symbol_name,
 361   bfd_print_symbol_more,
 362   bfd_print_symbol_all
 363 } bfd_print_symbol_type;
 364
 365 /* Information about a symbol that nm needs.  */
 366
 367 typedef struct _symbol_info
 368 {
 369   symvalue value;
 370   char type;
 371   const char *name;            /* Symbol name.  */
 372   unsigned char stab_type;     /* Stab type.  */
 373   char stab_other;             /* Stab other.  */
 374   short stab_desc;             /* Stab desc.  */
 375   const char *stab_name;       /* String for stab type.  */
 376 } symbol_info;
 377
 378 /* Get the name of a stabs type code.  */
 379
 380 extern const char *bfd_get_stab_name PARAMS ((int));
 381 \f
 382 /* Hash table routines.  There is no way to free up a hash table.  */
 383
 384 /* An element in the hash table.  Most uses will actually use a larger
 385    structure, and an instance of this will be the first field.  */
 386
 387 struct bfd_hash_entry
 388 {
 389   /* Next entry for this hash code.  */
 390   struct bfd_hash_entry *next;
 391   /* String being hashed.  */
 392   const char *string;
 393   /* Hash code.  This is the full hash code, not the index into the
 394      table.  */
 395   unsigned long hash;
 396 };
 397
 398 /* A hash table.  */
 399
 400 struct bfd_hash_table
 401 {
 402   /* The hash array.  */
 403   struct bfd_hash_entry **table;
 404   /* The number of slots in the hash table.  */
 405   unsigned int size;
 406   /* A function used to create new elements in the hash table.  The
 407      first entry is itself a pointer to an element.  When this
 408      function is first invoked, this pointer will be NULL.  However,
 409      having the pointer permits a hierarchy of method functions to be
 410      built each of which calls the function in the superclass.  Thus
 411      each function should be written to allocate a new block of memory
 412      only if the argument is NULL.  */
 413   struct bfd_hash_entry *(*newfunc) PARAMS ((struct bfd_hash_entry *,
 414                                              struct bfd_hash_table *,
 415                                              const char *));
 416    /* An objalloc for this hash table.  This is a struct objalloc *,
 417      but we use PTR to avoid requiring the inclusion of objalloc.h.  */
 418   PTR memory;
 419 };
 420
 421 /* Initialize a hash table.  */
 422 extern boolean bfd_hash_table_init
 423   PARAMS ((struct bfd_hash_table *,
 424            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 425                                        struct bfd_hash_table *,
 426                                        const char *)));
 427
 428 /* Initialize a hash table specifying a size.  */
 429 extern boolean bfd_hash_table_init_n
 430   PARAMS ((struct bfd_hash_table *,
 431            struct bfd_hash_entry *(*) (struct bfd_hash_entry *,
 432                                        struct bfd_hash_table *,
 433                                        const char *),
 434            unsigned int size));
 435
 436 /* Free up a hash table.  */
 437 extern void bfd_hash_table_free PARAMS ((struct bfd_hash_table *));
 438
 439 /* Look up a string in a hash table.  If CREATE is true, a new entry
 440    will be created for this string if one does not already exist.  The
 441    COPY argument must be true if this routine should copy the string
 442    into newly allocated memory when adding an entry.  */
 443 extern struct bfd_hash_entry *bfd_hash_lookup
 444   PARAMS ((struct bfd_hash_table *, const char *, boolean create,
 445            boolean copy));
 446
 447 /* Replace an entry in a hash table.  */
 448 extern void bfd_hash_replace
 449   PARAMS ((struct bfd_hash_table *, struct bfd_hash_entry *old,
 450            struct bfd_hash_entry *nw));
 451
 452 /* Base method for creating a hash table entry.  */
 453 extern struct bfd_hash_entry *bfd_hash_newfunc
 454   PARAMS ((struct bfd_hash_entry *, struct bfd_hash_table *,
 455            const char *));
 456
 457 /* Grab some space for a hash table entry.  */
 458 extern PTR bfd_hash_allocate PARAMS ((struct bfd_hash_table *,
 459                                       unsigned int));
 460
 461 /* Traverse a hash table in a random order, calling a function on each
 462    element.  If the function returns false, the traversal stops.  The
 463    INFO argument is passed to the function.  */
 464 extern void bfd_hash_traverse PARAMS ((struct bfd_hash_table *,
 465                                        boolean (*) (struct bfd_hash_entry *,
 466                                                     PTR),
 467                                        PTR info));
 468
 469 #define COFF_SWAP_TABLE (PTR) &bfd_coff_std_swap_table
 470
 471 /* User program access to BFD facilities.  */
 472
 473 /* Direct I/O routines, for programs which know more about the object
 474    file than BFD does.  Use higher level routines if possible.  */
 475
 476 extern bfd_size_type bfd_bread PARAMS ((PTR, bfd_size_type, bfd *));
 477 extern bfd_size_type bfd_bwrite PARAMS ((const PTR, bfd_size_type, bfd *));
 478 extern int bfd_seek PARAMS ((bfd *, file_ptr, int));
 479 extern ufile_ptr bfd_tell PARAMS ((bfd *));
 480 extern int bfd_flush PARAMS ((bfd *));
 481 extern int bfd_stat PARAMS ((bfd *, struct stat *));
 482
 483 /* Deprecated old routines.  */
 484 #if __GNUC__
 485 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 486   (warn_deprecated ("bfd_read", __FILE__, __LINE__, __FUNCTION__),      \
 487    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 488 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 489   (warn_deprecated ("bfd_write", __FILE__, __LINE__, __FUNCTION__),     \
 490    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 491 #else
 492 #define bfd_read(BUF, ELTSIZE, NITEMS, ABFD)                            \
 493   (warn_deprecated ("bfd_read", (const char *) 0, 0, (const char *) 0), \
 494    bfd_bread ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 495 #define bfd_write(BUF, ELTSIZE, NITEMS, ABFD)                           \
 496   (warn_deprecated ("bfd_write", (const char *) 0, 0, (const char *) 0),\
 497    bfd_bwrite ((BUF), (ELTSIZE) * (NITEMS), (ABFD)))
 498 #endif
 499 extern void warn_deprecated
 500   PARAMS ((const char *, const char *, int, const char *));
 501
 502 /* Cast from const char * to char * so that caller can assign to
 503    a char * without a warning.  */
 504 #define bfd_get_filename(abfd) ((char *) (abfd)->filename)
 505 #define bfd_get_cacheable(abfd) ((abfd)->cacheable)
 506 #define bfd_get_format(abfd) ((abfd)->format)
 507 #define bfd_get_target(abfd) ((abfd)->xvec->name)
 508 #define bfd_get_flavour(abfd) ((abfd)->xvec->flavour)
 509 #define bfd_family_coff(abfd) \
 510   (bfd_get_flavour (abfd) == bfd_target_coff_flavour || \
 511    bfd_get_flavour (abfd) == bfd_target_xcoff_flavour)
 512 #define bfd_big_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_BIG)
 513 #define bfd_little_endian(abfd) ((abfd)->xvec->byteorder == BFD_ENDIAN_LITTLE)
 514 #define bfd_header_big_endian(abfd) \
 515   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_BIG)
 516 #define bfd_header_little_endian(abfd) \
 517   ((abfd)->xvec->header_byteorder == BFD_ENDIAN_LITTLE)
 518 #define bfd_get_file_flags(abfd) ((abfd)->flags)
 519 #define bfd_applicable_file_flags(abfd) ((abfd)->xvec->object_flags)
 520 #define bfd_applicable_section_flags(abfd) ((abfd)->xvec->section_flags)
 521 #define bfd_my_archive(abfd) ((abfd)->my_archive)
 522 #define bfd_has_map(abfd) ((abfd)->has_armap)
 523
 524 #define bfd_valid_reloc_types(abfd) ((abfd)->xvec->valid_reloc_types)
 525 #define bfd_usrdata(abfd) ((abfd)->usrdata)
 526
 527 #define bfd_get_start_address(abfd) ((abfd)->start_address)
 528 #define bfd_get_symcount(abfd) ((abfd)->symcount)
 529 #define bfd_get_outsymbols(abfd) ((abfd)->outsymbols)
 530 #define bfd_count_sections(abfd) ((abfd)->section_count)
 531
 532 #define bfd_get_symbol_leading_char(abfd) ((abfd)->xvec->symbol_leading_char)
 533
 534 #define bfd_set_cacheable(abfd,bool) (((abfd)->cacheable = (boolean) (bool)), true)
 535
 536 extern boolean bfd_cache_close PARAMS ((bfd *abfd));
 537 /* NB: This declaration should match the autogenerated one in libbfd.h.  */
 538
 539 extern boolean bfd_record_phdr
 540   PARAMS ((bfd *, unsigned long, boolean, flagword, boolean, bfd_vma,
 541            boolean, boolean, unsigned int, struct sec **));
 542
 543 /* Byte swapping routines.  */
 544
 545 bfd_vma         bfd_getb64         PARAMS ((const unsigned char *));
 546 bfd_vma         bfd_getl64         PARAMS ((const unsigned char *));
 547 bfd_signed_vma  bfd_getb_signed_64 PARAMS ((const unsigned char *));
 548 bfd_signed_vma  bfd_getl_signed_64 PARAMS ((const unsigned char *));
 549 bfd_vma         bfd_getb32         PARAMS ((const unsigned char *));
 550 bfd_vma         bfd_getl32         PARAMS ((const unsigned char *));
 551 bfd_signed_vma  bfd_getb_signed_32 PARAMS ((const unsigned char *));
 552 bfd_signed_vma  bfd_getl_signed_32 PARAMS ((const unsigned char *));
 553 bfd_vma         bfd_getb16         PARAMS ((const unsigned char *));
 554 bfd_vma         bfd_getl16         PARAMS ((const unsigned char *));
 555 bfd_signed_vma  bfd_getb_signed_16 PARAMS ((const unsigned char *));
 556 bfd_signed_vma  bfd_getl_signed_16 PARAMS ((const unsigned char *));
 557 void            bfd_putb64         PARAMS ((bfd_vma, unsigned char *));
 558 void            bfd_putl64         PARAMS ((bfd_vma, unsigned char *));
 559 void            bfd_putb32         PARAMS ((bfd_vma, unsigned char *));
 560 void            bfd_putl32         PARAMS ((bfd_vma, unsigned char *));
 561 void            bfd_putb16         PARAMS ((bfd_vma, unsigned char *));
 562 void            bfd_putl16         PARAMS ((bfd_vma, unsigned char *));
 563
 564 /* Byte swapping routines which take size and endiannes as arguments.  */
 565
 566 bfd_vma         bfd_get_bits       PARAMS ((bfd_byte *, int, boolean));
 567 void            bfd_put_bits       PARAMS ((bfd_vma, bfd_byte *, int, boolean));
 568 \f
 569 /* Externally visible ECOFF routines.  */
 570
 571 #if defined(__STDC__) || defined(ALMOST_STDC)
 572 struct ecoff_debug_info;
 573 struct ecoff_debug_swap;
 574 struct ecoff_extr;
 575 struct symbol_cache_entry;
 576 struct bfd_link_info;
 577 struct bfd_link_hash_entry;
 578 struct bfd_elf_version_tree;
 579 #endif
 580 extern bfd_vma bfd_ecoff_get_gp_value PARAMS ((bfd * abfd));
 581 extern boolean bfd_ecoff_set_gp_value PARAMS ((bfd *abfd, bfd_vma gp_value));
 582 extern boolean bfd_ecoff_set_regmasks
 583   PARAMS ((bfd *abfd, unsigned long gprmask, unsigned long fprmask,
 584            unsigned long *cprmask));
 585 extern PTR bfd_ecoff_debug_init
 586   PARAMS ((bfd *output_bfd, struct ecoff_debug_info *output_debug,
 587            const struct ecoff_debug_swap *output_swap,
 588            struct bfd_link_info *));
 589 extern void bfd_ecoff_debug_free
 590   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 591            const struct ecoff_debug_swap *output_swap,
 592            struct bfd_link_info *));
 593 extern boolean bfd_ecoff_debug_accumulate
 594   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 595            const struct ecoff_debug_swap *output_swap,
 596            bfd *input_bfd, struct ecoff_debug_info *input_debug,
 597            const struct ecoff_debug_swap *input_swap,
 598            struct bfd_link_info *));
 599 extern boolean bfd_ecoff_debug_accumulate_other
 600   PARAMS ((PTR handle, bfd *output_bfd, struct ecoff_debug_info *output_debug,
 601            const struct ecoff_debug_swap *output_swap, bfd *input_bfd,
 602            struct bfd_link_info *));
 603 extern boolean bfd_ecoff_debug_externals
 604   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 605            const struct ecoff_debug_swap *swap,
 606            boolean relocateable,
 607            boolean (*get_extr) (struct symbol_cache_entry *,
 608                                 struct ecoff_extr *),
 609            void (*set_index) (struct symbol_cache_entry *,
 610                               bfd_size_type)));
 611 extern boolean bfd_ecoff_debug_one_external
 612   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 613            const struct ecoff_debug_swap *swap,
 614            const char *name, struct ecoff_extr *esym));
 615 extern bfd_size_type bfd_ecoff_debug_size
 616   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 617            const struct ecoff_debug_swap *swap));
 618 extern boolean bfd_ecoff_write_debug
 619   PARAMS ((bfd *abfd, struct ecoff_debug_info *debug,
 620            const struct ecoff_debug_swap *swap, file_ptr where));
 621 extern boolean bfd_ecoff_write_accumulated_debug
 622   PARAMS ((PTR handle, bfd *abfd, struct ecoff_debug_info *debug,
 623            const struct ecoff_debug_swap *swap,
 624            struct bfd_link_info *info, file_ptr where));
 625 extern boolean bfd_mips_ecoff_create_embedded_relocs
 626   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 627            char **));
 628
 629 /* Externally visible ELF routines.  */
 630
 631 struct bfd_link_needed_list
 632 {
 633   struct bfd_link_needed_list *next;
 634   bfd *by;
 635   const char *name;
 636 };
 637
 638 extern boolean bfd_elf32_record_link_assignment
 639   PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
 640 extern boolean bfd_elf64_record_link_assignment
 641   PARAMS ((bfd *, struct bfd_link_info *, const char *, boolean));
 642 extern struct bfd_link_needed_list *bfd_elf_get_needed_list
 643   PARAMS ((bfd *, struct bfd_link_info *));
 644 extern boolean bfd_elf_get_bfd_needed_list
 645   PARAMS ((bfd *, struct bfd_link_needed_list **));
 646 extern boolean bfd_elf32_size_dynamic_sections
 647   PARAMS ((bfd *, const char *, const char *, const char *,
 648            const char * const *, struct bfd_link_info *, struct sec **,
 649            struct bfd_elf_version_tree *));
 650 extern boolean bfd_elf64_size_dynamic_sections
 651   PARAMS ((bfd *, const char *, const char *, const char *,
 652            const char * const *, struct bfd_link_info *, struct sec **,
 653            struct bfd_elf_version_tree *));
 654 extern void bfd_elf_set_dt_needed_name PARAMS ((bfd *, const char *));
 655 extern void bfd_elf_set_dt_needed_soname PARAMS ((bfd *, const char *));
 656 extern const char *bfd_elf_get_dt_soname PARAMS ((bfd *));
 657 extern struct bfd_link_needed_list *bfd_elf_get_runpath_list
 658   PARAMS ((bfd *, struct bfd_link_info *));
 659 extern boolean bfd_elf32_discard_info
 660   PARAMS ((bfd *, struct bfd_link_info *));
 661 extern boolean bfd_elf64_discard_info
 662   PARAMS ((bfd *, struct bfd_link_info *));
 663
 664 /* Return an upper bound on the number of bytes required to store a
 665    copy of ABFD's program header table entries.  Return -1 if an error
 666    occurs; bfd_get_error will return an appropriate code.  */
 667 extern long bfd_get_elf_phdr_upper_bound PARAMS ((bfd *abfd));
 668
 669 /* Copy ABFD's program header table entries to *PHDRS.  The entries
 670    will be stored as an array of Elf_Internal_Phdr structures, as
 671    defined in include/elf/internal.h.  To find out how large the
 672    buffer needs to be, call bfd_get_elf_phdr_upper_bound.
 673
 674    Return the number of program header table entries read, or -1 if an
 675    error occurs; bfd_get_error will return an appropriate code.  */
 676 extern int bfd_get_elf_phdrs PARAMS ((bfd *abfd, void *phdrs));
 677
 678 /* Return the arch_size field of an elf bfd, or -1 if not elf.  */
 679 extern int bfd_get_arch_size PARAMS ((bfd *));
 680
 681 /* Return true if address "naturally" sign extends, or -1 if not elf.  */
 682 extern int bfd_get_sign_extend_vma PARAMS ((bfd *));
 683
 684 extern boolean bfd_m68k_elf32_create_embedded_relocs
 685   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 686            char **));
 687 extern boolean bfd_mips_elf32_create_embedded_relocs
 688   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 689            char **));
 690
 691 /* SunOS shared library support routines for the linker.  */
 692
 693 extern struct bfd_link_needed_list *bfd_sunos_get_needed_list
 694   PARAMS ((bfd *, struct bfd_link_info *));
 695 extern boolean bfd_sunos_record_link_assignment
 696   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 697 extern boolean bfd_sunos_size_dynamic_sections
 698   PARAMS ((bfd *, struct bfd_link_info *, struct sec **, struct sec **,
 699            struct sec **));
 700
 701 /* Linux shared library support routines for the linker.  */
 702
 703 extern boolean bfd_i386linux_size_dynamic_sections
 704   PARAMS ((bfd *, struct bfd_link_info *));
 705 extern boolean bfd_m68klinux_size_dynamic_sections
 706   PARAMS ((bfd *, struct bfd_link_info *));
 707 extern boolean bfd_sparclinux_size_dynamic_sections
 708   PARAMS ((bfd *, struct bfd_link_info *));
 709
 710 /* mmap hacks */
 711
 712 struct _bfd_window_internal;
 713 typedef struct _bfd_window_internal bfd_window_internal;
 714
 715 typedef struct _bfd_window
 716 {
 717   /* What the user asked for.  */
 718   PTR data;
 719   bfd_size_type size;
 720   /* The actual window used by BFD.  Small user-requested read-only
 721      regions sharing a page may share a single window into the object
 722      file.  Read-write versions shouldn't until I've fixed things to
 723      keep track of which portions have been claimed by the
 724      application; don't want to give the same region back when the
 725      application wants two writable copies!  */
 726   struct _bfd_window_internal *i;
 727 }
 728 bfd_window;
 729
 730 extern void bfd_init_window PARAMS ((bfd_window *));
 731 extern void bfd_free_window PARAMS ((bfd_window *));
 732 extern boolean bfd_get_file_window
 733   PARAMS ((bfd *, file_ptr, bfd_size_type, bfd_window *, boolean));
 734
 735 /* XCOFF support routines for the linker.  */
 736
 737 extern boolean bfd_xcoff_link_record_set
 738   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 739            bfd_size_type));
 740 extern boolean bfd_xcoff_import_symbol
 741   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *,
 742            bfd_vma, const char *, const char *, const char *, unsigned int));
 743 extern boolean bfd_xcoff_export_symbol
 744   PARAMS ((bfd *, struct bfd_link_info *, struct bfd_link_hash_entry *));
 745 extern boolean bfd_xcoff_link_count_reloc
 746   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 747 extern boolean bfd_xcoff_record_link_assignment
 748   PARAMS ((bfd *, struct bfd_link_info *, const char *));
 749 extern boolean bfd_xcoff_size_dynamic_sections
 750   PARAMS ((bfd *, struct bfd_link_info *, const char *, const char *,
 751            unsigned long, unsigned long, unsigned long, boolean,
 752            int, boolean, boolean, struct sec **, boolean));
 753 extern boolean bfd_xcoff_link_generate_rtinit
 754   PARAMS ((bfd *, const char *, const char *, boolean));
 755
 756 /* XCOFF support routines for ar.  */
 757 extern boolean bfd_xcoff_ar_archive_set_magic PARAMS ((bfd *, char *));
 758
 759 /* Externally visible COFF routines.  */
 760
 761 #if defined(__STDC__) || defined(ALMOST_STDC)
 762 struct internal_syment;
 763 union internal_auxent;
 764 #endif
 765
 766 extern boolean bfd_coff_get_syment
 767   PARAMS ((bfd *, struct symbol_cache_entry *, struct internal_syment *));
 768
 769 extern boolean bfd_coff_get_auxent
 770   PARAMS ((bfd *, struct symbol_cache_entry *, int, union internal_auxent *));
 771
 772 extern boolean bfd_coff_set_symbol_class
 773   PARAMS ((bfd *, struct symbol_cache_entry *, unsigned int));
 774
 775 extern boolean bfd_m68k_coff_create_embedded_relocs
 776   PARAMS ((bfd *, struct bfd_link_info *, struct sec *, struct sec *,
 777            char **));
 778
 779 /* ARM Interworking support.  Called from linker.  */
 780 extern boolean bfd_arm_allocate_interworking_sections
 781   PARAMS ((struct bfd_link_info *));
 782
 783 extern boolean bfd_arm_process_before_allocation
 784   PARAMS ((bfd *, struct bfd_link_info *, int));
 785
 786 extern boolean bfd_arm_get_bfd_for_interworking
 787   PARAMS ((bfd *, struct bfd_link_info *));
 788
 789 /* PE ARM Interworking support.  Called from linker.  */
 790 extern boolean bfd_arm_pe_allocate_interworking_sections
 791   PARAMS ((struct bfd_link_info *));
 792
 793 extern boolean bfd_arm_pe_process_before_allocation
 794   PARAMS ((bfd *, struct bfd_link_info *, int));
 795
 796 extern boolean bfd_arm_pe_get_bfd_for_interworking
 797   PARAMS ((bfd *, struct bfd_link_info *));
 798
 799 /* ELF ARM Interworking support.  Called from linker.  */
 800 extern boolean bfd_elf32_arm_allocate_interworking_sections
 801   PARAMS ((struct bfd_link_info *));
 802
 803 extern boolean bfd_elf32_arm_process_before_allocation
 804   PARAMS ((bfd *, struct bfd_link_info *, int));
 805
 806 extern boolean bfd_elf32_arm_get_bfd_for_interworking
 807   PARAMS ((bfd *, struct bfd_link_info *));
 808
 809 extern boolean bfd_elf32_arm_add_glue_sections_to_bfd
 810   PARAMS ((bfd *, struct bfd_link_info *));
 811
 812 /* TI COFF load page support.  */
 813 extern void bfd_ticoff_set_section_load_page
 814   PARAMS ((struct sec *, int));
 815
 816 extern int bfd_ticoff_get_section_load_page
 817   PARAMS ((struct sec *));
 818